Works on Subterranean biodiversity and taxonomy

The genus Eviulisoma, the largest among Afrotropical Paradoxosomatidae, currently encompasses 36 species or subspecies, including six new from Kenya: E. ngaia sp. n., E. ngaiaorum…

Lithobius (Monotarsobius) zhangisp. n. (Lithobiomorpha: Lithobiidae), recently discovered from Nanshan Park, Yantai City, Shandong Province, and Wuyishan County, Nanping City, Fuj…

Three new species of the pygostenine genus Doryloxenus Wasmann, viz., D. aenictophilus sp. n. (from Zhejiang), D. tangliangi sp. n. (from Zhejiang), and D. songzhigaoi sp. n. (fro…

Recent cave biodiversity surveys carried out in Du’an County and its adjacent areas of northwestern Guangxi, China, have revealed some exciting scientific findings. In a very limi…

Dicranogonus pix Jeekel, 1982 occurs in Victoria and Tasmania, Australia, including the islands in eastern Bass Strait between the two States. There is only slight gonopod variati…

Four new species of Desmoxytes are described from southern China: D. lingulata sp. n., D. parvula sp. n., and D. nodulosa sp. n., from Guangxi Zhuang Autonomous Region, and D. get…

Species diversity of Brazilian cave fauna has been seriously underestimated. A karst area located in Felipe Guerra, northeastern Brazil, which is a hotspot of subterranean diversi…

Tylopus currently comprises 55 species, including three new from Thailand: T. corrugatus sp. n., T. trigonum sp. n. and T. parahilaroides sp. n. A new distribution map and an upda…

The genus Strumigenys Smith, 1860 (Formicidae, Myrmicinae) comprises over 890 species worldwide. Strumigenys membranifera, a widely distributed tramp species, is known for its sma…

The genus Meotipa Simon, 1895 contains 33 extant species, 18 of which are known from China. However, no detalied morphological study of the expanded male palp in this genus has be…

The Pholcus nagasakiensis species group is a relatively small group, comprising only five species. Of these, four species inhabit Kyushu Island in mainland Japan, the Ryukyu Archi…

Beetles of the family Zopheridae (Coleoptera, Tenebrionoidea) are rarely reported from Bulgaria and available data on their distribution in the country are scarce. Here, we provid…

Arboreal microhabitats, such as tree bark, remain poorly studied in subtropical China. During exploratory surveys in Jiangxi, specimens of the trachelid spider genus Planochelas —…

Despite the increasing discovery of new spider species in Jiangxi Province, most are entelegynes or mygalomorphs, with haplogyne spiders being seldom reported. However, during a d…

Philodromidae Thorell, 1869 is a spider family comprising 531 species in 31 genera distributed worldwide. Amongst these genera, Philodromus Walckenaer, 1826 is the most diverse wi…

Gammarus Fabricius, 1775 is the largest genus in the family Gammaridae and most species inhabit freshwater and exhibit high regional endemism. To date, 12 freshwater Gammarus spec…

Alloscopus is one of the genera within the subfamily Heteromurinae, recently recorded in Thailand and is currently represented by six species from two regions of the country. In t…

The genus Australobius Chamberlin, 1920 is a small genus of subfamily Lithobiinae Newport, 1844 within family Lithobiidae Newport, 1844. The World Catalogue of Centipedes currentl…

The genus Drapetisca comprises 7 species distributed in Canada, Central Asia, China, Caucasus, Europe, Japan, Russia (Europe to the Far East), and the USA, out of which five speci…

The genus Coelotes Blackwall, 1841, comprises 156 species, primarily distributed in East Asia, including Japan (64 species), China (56 species) and Korea (1 species). Currently, o…

The genus Theridion Walckenaer, 1805 comprises 577 species, distributed all over the world and it is common in habitat species, such as grasses, barks and deciduous layers.A new c…

The genus Otacilia Thorell, 1897 comprises 141 species worldwide, with 118 (approximately 84%) distributed in China.Two new species of the genus Otacilia are described from Baima …

Epeus is a genus of jumping spiders (Salticidae) comprising 20 species, four of which have been recorded in Vietnam.In this paper, we present descriptions and illustrations of two…

The spider genus Trilacuna Tong & Li, 2007, currently comprises 32 species known from China, of which 15 species are from Yunnan and one species, i.e. T. wumanshan Tong, Yang & Zh…

The Arcitalitridae (Amphipoda, Senticaudata, Talitrida, Talitroidea) is a diverse family containing 15 genera, of which Myanmarorchestia Hou, 2017 and Solitroides Suzuki, Nakano, …

Hosted at the University of the Azores, the “Dalberto Teixeira Pombo” Collection (DTP) is an invaluable repository showcasing the diversity of arthropods from the Azores Archipela…

The geophilomorph Mesoschendyla javanica (Attems, 1907) was originally described from a small number of males collected from bat guano in Tjompea (Ciampea), Java. Subsequently, no…

Historical type specimens, even when fragmentary, remain critical for resolving longstanding taxonomic uncertainties—particularly within neglected and underfunded groups such as t…

The paper reports six species of spiders from five families found in three caves located in the Altai Krai, Novosibirsk Oblast and Kemerovo Oblast of Russia. One troglophilic spec…

The spider fauna of Tbilisi was systematically documented in the early 2000s, when 252 species were recorded from the city and its surroundings. Despite a rapid urban expansion ov…

Based on the female lectotype from the D.E. Kharitonov’s collection, we provide a re-evaluation and redescription of an orb-web spider Araniella tbilisiensis (Mcheidze, 1997). Fol…

The first illustrated description of transverse intersexuality in Trochosa cachetiensis Mcheidze, 1997, from Georgia, is provided. In this specimen, both male (palpal bulbs) and f…

Diplotemnus balcanicus (Redikorzev, 1928) is reported from Armenia for the first time. This is also the first record of the family Atemnidae for Armenia. The finding is based on o…

Georgia's rich biodiversity, as a key part of the Caucasus hotspot, makes it an ideal destination for scientific research. Nevertheless, knowledge about the species diversity of d…

Pselaphochernes scorpioides (Hermann, 1804) is reported from Georgia for the first time. This is also the first record of the genus Pselaphochernes in Georgia. The findi…

Chaetophiloscia hastata Verhoeff, 1928 is recorded from Saskhori limestone quarry (Mtskheta municipality, eastern Georgia). This is the first confirmed record of the gen…

The terrestrial woodlice Hemilepistus (Hemilepistus) klugii (Brandt, 1833) is reported from Georgia for the first time, with a commentary on the species composition of the genus H…

Activity of terrestrial ectotherms in seasonal equatorial environments can be challenging due to temporal variations in temperature and water availability. Social interactions amo…

In this contribution, we present the first annotated catalogue of type material deposited at the Crustacea collection of the Museum of Nature Hamburg, Leibniz Institute for the An…

Pseudoscorpions (Arachnida: Pseudoscorpiones) are amongst the oldest terrestrial lineages but their fossil record is still very sparse. In recent years, Upper Cretaceous Burmese a…

A new species of Theridion is reported here from Uttarakhand, India which resembles and exhibits polymorphism like the Happy-face spiders reported from the Hawaiian Islands, Theri…

A new species of Pycnothelidae Chamberlin, 1917 from the Pampean mountain ranges, Córdoba, Argentina is described and illustrated: Acanthogonatus monicae sp. nov. Here, we combine…

We scientifically name and describe two new species of spiny frog (Mantellidae: Spinomantis) from moderately high elevations in Ranomafana National Park, in south-east Madagascar.…

Sri Lanka harbours an exceptionally high diversity of goblin spiders (family Oonopidae), with 45 currently recognised species across 13 genera, of which 38 are endemic. In this st…

We present Part I of an annotated catalog of types in the Annelida collection of the Museum of Nature Hamburg, Leibniz Institute for the Analysis of Biodiversity Change. Part I in…

Two new species of the pseudoscorpion genus Pararoncus Chamberlin, 1938 are described from Korea. Detailed descriptions, habitus pictures, and illustrations of Pararoncus leonardi…

Barinas guanenta sp. nov. is described from a cave in Santander, central Andes of Colombia. The new species is recognized by the pedipalps and chelicerae entirely pale yellow and …

Scorpions have always inspired fear and fascination because of the potency of their venoms. Although this ancient arachnid group is relatively small (ca. 2400 species) and has bee…

The mite harvestmen of the genus Karripurcellia Giribet, 2003 are endemic to the tall, wet eucalypt forests of south-western Western Australia, a region known as a hotspot for bio…

A new species of Mouse Spider (family Actinopodidae Simon, 1892), Missulena harewoodi, is described from near the City of Kalgoorlie-Boulder in the Goldfields region of Western Au…